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Sample Wiring Diagrams
4 Wire, 1 Stage Cooling, 1 Stage Heat-Heat Pump with O reversing valve*.
Residential Heat Pumps, split systems & package units, with no auxiliary heat.
FAN
POWER
G
R
COMPRESSOR
Y
W
Y
B
O
G
R
REVERSING VALVE
O
*
For Heat Pump or Electric Heat applications see page 17 or 18 for Jumper configuration.
4 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to the equipment.